Finding the Fourth Proportional to 81,641.84, 112,665.29 and 45,831.84

Step by Step Solution

1. Step 1: Write the proportion equation
   81,641.84 : 112,665.29 = 45,831.84 : x
2. Step 2: Convert to fraction form
   81,641.84/112,665.29 = 45,831.84/x
3. Step 3: Cross multiply
   81,641.84x = 112,665.29 × 45,831.84
4. Step 4: Simplify right side
   81,641.84x = 5,163,657,544.83
5. Step 5: Solve for x
   x = 5,163,657,544.83/81,641.84
6. Step 6: Final answer
   x = 63,247.69